End cap for a pen



FIG. 1 is a perspective view of my new design for the end cap of a pen;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of a modified embodiment of my new design.

The broken lines in the figures are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for an end cap for a pen, as shown and described. 